Dave Lennox Signature® SL280V Variable Speed Gas Furnace – Quiet, Efficient, and Reliable

The Dave Lennox Signature® SL280UH090V48B is the quietest furnace in its class, designed to deliver reliable, cozy warmth while keeping operational noise to a minimum. Engineered for peak efficiency, it helps homeowners achieve substantial energy savings compared to older systems. Its upflow/horizontal design makes it versatile for a variety of home installations.

Energy Efficiency & Performance

• 80% AFUE heating efficiency helps reduce annual energy costs

• Improved cooling efficiency when paired with a Lennox air conditioner or heat pump

• Dual-fuel capability allows automatic switching between gas and electric heating for maximum savings

• iComfort™-enabled technology enables smart adjustments via a programmable Wi-Fi thermostat

• Sealed blower compartment minimizes energy loss and maximizes comfort

Quiet Operation

• Up to 4.5× quieter than competitive models

• SilentComfort™ technology delivers quiet, consistent heating

• Special sound-absorbing materials further reduce operational noise

• Ultra-low continuous fan speed provides gentle, constant airflow

Home Comfort & Reliability

• Two-stage operation provides even temperatures throughout the home

• Variable-speed blower enhances humidity control, consistent airflow, and indoor air quality

• High-quality steel construction with a durable, contoured cabinet

• SureLight® igniter and control board ensure reliable, long-lasting operation

Key Benefits

✅ 80% AFUE for energy-efficient heating
✅ Dual-fuel capable for gas and electric operation
✅ Variable-speed and two-stage operation for consistent comfort
✅ Ultra-quiet operation with SilentComfort™ technology
✅ iComfort™-enabled smart thermostat compatibility
✅ High-quality steel construction for durability
✅ Improved indoor air quality and humidity control
✅ Reduced energy costs compared to older systems

The SL280UH090V48B combines ultra-quiet operation, energy efficiency, and durable performance, making it ideal for homeowners seeking reliable and cost-effective heating solutions.

LEGAL INFORMATION

California Only

This furnace does not meet the South Coast Air Quality Management District (SCAQMD) Rule 1111 and San Joaquin Valley Air Pollution Control District (SJVAPCD) Rule 4905 NOx emission limit (14 ng/J) and cannot be installed within the SCAQMD and SJVAPCD areas.